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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . T E X T _ I O . I N T E G E R _ I O --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1992-2020, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Text_IO.Integer_Aux;
+with System.Img_BIU; use System.Img_BIU;
+with System.Img_Int; use System.Img_Int;
+with System.Img_LLB; use System.Img_LLB;
+with System.Img_LLI; use System.Img_LLI;
+with System.Img_LLW; use System.Img_LLW;
+with System.Img_LLLB; use System.Img_LLLB;
+with System.Img_LLLI; use System.Img_LLLI;
+with System.Img_LLLW; use System.Img_LLLW;
+with System.Img_WIU; use System.Img_WIU;
+with System.Val_Int; use System.Val_Int;
+with System.Val_LLI; use System.Val_LLI;
+with System.Val_LLLI; use System.Val_LLLI;
+
+package body Ada.Text_IO.Integer_IO is
+
+ package Aux_Int is new
+ Ada.Text_IO.Integer_Aux
+ (Integer,
+ Scan_Integer,
+ Set_Image_Integer,
+ Set_Image_Width_Integer,
+ Set_Image_Based_Integer);
+
+ package Aux_LLI is new
+ Ada.Text_IO.Integer_Aux
+ (Long_Long_Integer,
+ Scan_Long_Long_Integer,
+ Set_Image_Long_Long_Integer,
+ Set_Image_Width_Long_Long_Integer,
+ Set_Image_Based_Long_Long_Integer);
+
+ package Aux_LLLI is new
+ Ada.Text_IO.Integer_Aux
+ (Long_Long_Long_Integer,
+ Scan_Long_Long_Long_Integer,
+ Set_Image_Long_Long_Long_Integer,
+ Set_Image_Width_Long_Long_Long_Integer,
+ Set_Image_Based_Long_Long_Long_Integer);
+
+ Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
+ Need_LLLI : constant Boolean := Num'Base'Size > Long_Long_Integer'Size;
+ -- Throughout this generic body, we distinguish between cases where type
+ -- Integer is acceptable, where type Long_Long_Integer is acceptable and
+ -- where type Long_Long_Long_Integer is needed. These boolean constants
+ -- are used to test for these cases and since they are constant, only code
+ -- for the relevant case will be included in the instance.
+
+ ---------
+ -- Get --
+ ---------
+
+ procedure Get
+ (File : File_Type;
+ Item : out Num;
+ Width : Field := 0)
+ is
+ -- We depend on a range check to get Data_Error
+
+ pragma Unsuppress (Range_Check);
+ pragma Unsuppress (Overflow_Check);
+
+ begin
+ if Need_LLLI then
+ Aux_LLLI.Get (File, Long_Long_Long_Integer (Item), Width);
+ elsif Need_LLI then
+ Aux_LLI.Get (File, Long_Long_Integer (Item), Width);
+ else
+ Aux_Int.Get (File, Integer (Item), Width);
+ end if;
+
+ exception
+ when Constraint_Error => raise Data_Error;
+ end Get;
+
+ procedure Get
+ (Item : out Num;
+ Width : Field := 0)
+ is
+ begin
+ Get (Current_In, Item, Width);
+ end Get;
+
+ procedure Get
+ (From : String;
+ Item : out Num;
+ Last : out Positive)
+ is
+ -- We depend on a range check to get Data_Error
+
+ pragma Unsuppress (Range_Check);
+ pragma Unsuppress (Overflow_Check);
+
+ begin
+ if Need_LLLI then
+ Aux_LLLI.Gets (From, Long_Long_Long_Integer (Item), Last);
+ elsif Need_LLI then
+ Aux_LLI.Gets (From, Long_Long_Integer (Item), Last);
+ else
+ Aux_Int.Gets (From, Integer (Item), Last);
+ end if;
+
+ exception
+ when Constraint_Error => raise Data_Error;
+ end Get;
+
+ ---------
+ -- Put --
+ ---------
+
+ procedure Put
+ (File : File_Type;
+ Item : Num;
+ Width : Field := Default_Width;
+ Base : Number_Base := Default_Base)
+ is
+ begin
+ if Need_LLLI then
+ Aux_LLLI.Put (File, Long_Long_Long_Integer (Item), Width, Base);
+ elsif Need_LLI then
+ Aux_LLI.Put (File, Long_Long_Integer (Item), Width, Base);
+ else
+ Aux_Int.Put (File, Integer (Item), Width, Base);
+ end if;
+ end Put;
+
+ procedure Put
+ (Item : Num;
+ Width : Field := Default_Width;
+ Base : Number_Base := Default_Base)
+ is
+ begin
+ Put (Current_Out, Item, Width, Base);
+ end Put;
+
+ procedure Put
+ (To : out String;
+ Item : Num;
+ Base : Number_Base := Default_Base)
+ is
+ begin
+ if Need_LLLI then
+ Aux_LLLI.Puts (To, Long_Long_Long_Integer (Item), Base);
+ elsif Need_LLI then
+ Aux_LLI.Puts (To, Long_Long_Integer (Item), Base);
+ else
+ Aux_Int.Puts (To, Integer (Item), Base);
+ end if;
+ end Put;
+
+end Ada.Text_IO.Integer_IO;